MESOSCALE DISCUSSION 0627
   NWS STORM PREDICTION CENTER NORMAN OK
   0904 PM CDT SUN MAY 09 2004
   
   AREAS AFFECTED...FAR SRN LOWER MI...NERN IL/NRN IND AND NWRN OH
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 175...
   
   VALID 100204Z - 100300Z
   
   ISOLATED LARGE HAIL SHOULD NOW BE THE PRIMARY THREAT WITH THE
   STRONGEST STORMS OVER THE NEXT FEW HOURS. OVERALL SEVERE THREAT
   APPEARS TO BE MINIMAL AND IF CURRENT TRENDS CONTINUE THEN WW 175
   WILL LIKELY BE CANCELLED EARLY.
   
   OUTFLOW CONTINUES TO SURGE AHEAD OF CONVECTIVE LINE OVER NWRN OH.
   THUS DAMAGING WIND THREAT APPEARS TO BE MINIMAL WITH THIS ACTIVITY.
   THREAT WILL REMAIN FOR MARGINALLY SEVERE HAIL WITH THE STRONGEST
   STORMS...AS LOW LEVEL JET IMPINGES ON CONVECTIVE OUTFLOW MESOHIGH.
   ADDITIONALLY...CONVECTIVE CLUSTER OVER NCENTRAL IND MAY POSE A SHORT
   TERM THREAT FOR DAMAGING WINDS INTO NERN IND THROUGH 03Z...IF CELL
   MERGERS CAN ENHANCE DOWNDRAFTS BEFORE NOCTURNAL STABILIZATION
   OCCURS.
   
   ..CROSBIE.. 05/10/2004
   
   
   ATTN...WFO...CLE...DTX...IWX...GRR...LOT...
   
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   41428341 40958427 40958533